peroneal muscular atrophy n. A hereditary form of muscular atrophy characterized by progressive wasting of the distal muscles of the extremities, usually affecting the legs before the arms. Also called Charcot-Marie-Tooth disease.

[per-uh-nee-uh s] /ˌpɛr əˈni əs/ noun, plural peronei [per-uh-nee-ahy] /ˌpɛr əˈni aɪ/ (Show IPA). Anatomy. 1. any of several muscles on the outer side of the leg, the action of which assists in extending the foot and in turning it outward.

[per-uh-nee-uh s] /ˌpɛr əˈni əs/ noun, plural peronei [per-uh-nee-ahy] /ˌpɛr əˈni aɪ/ (Show IPA). Anatomy. 1. any of several muscles on the outer side of the leg, the action of which assists in extending the foot and in turning it outward.

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